251265852

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 645918000

約数和(自身を除く): 394652148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 149, 278, 298, 337, 417, 447, 556, 596, 674, 834, 894, 1011, 1251, 1341, 1348, 1668, 1788, 2022, 2502, 2682, 3033, 4044, 5004, 5364, 6066, 12132, 20711, 41422, 46843, 50213, 62133, 82844, 93686, 100426, 124266, 140529, 150639, 186399, 187372, 200852, 248532, 281058, 301278, 372798, 421587, 451917, 562116, 602556, 745596, 843174, 903834, 1686348, 1807668, 6979607, 13959214, 20938821, 27918428, 41877642, 62816463, 83755284, 125632926, 251265852]

約数ペア:

[(1, 251265852), (2, 125632926), (3, 83755284), (4, 62816463), (6, 41877642), (9, 27918428), (12, 20938821), (18, 13959214), (36, 6979607), (139, 1807668), (149, 1686348), (278, 903834), (298, 843174), (337, 745596), (417, 602556), (447, 562116), (556, 451917), (596, 421587), (674, 372798), (834, 301278), (894, 281058), (1011, 248532), (1251, 200852), (1341, 187372), (1348, 186399), (1668, 150639), (1788, 140529), (2022, 124266), (2502, 100426), (2682, 93686), (3033, 82844), (4044, 62133), (5004, 50213), (5364, 46843), (6066, 41422), (12132, 20711)]